Jacobs DR, Tapsell LC. Food, not nutrients, is the fundamental unit in nutrition. Nutr Rev. 2007;65(10):439–50.
Article
Google Scholar
Aguilera JM. The food matrix: implications in processing, nutrition and health. Crit Rev Food Sci Nutr. 2019;59(22):3612–29.
Article
CAS
Google Scholar
Kahl J, Bodroza-Solarov M, Busscher N, Hajslova J, Kneifel W, Kokornaczyk MO, et al. Status quo and future research challenges on organic food quality determination with focus on laboratory methods. J Sci Food Agric. 2014;94(13):2595–9.
Article
CAS
Google Scholar
Capuano E, Boerrigter-Eenling R, van der Veer G, van Ruth SM. Analytical authentication of organic products: an overview of markers. J Sci Food Agric. 2013;93(1):12–28.
Article
CAS
Google Scholar
Busscher N, Kahl J, Doesburg P, Mergardt G, Ploeger A. Evaporation influences on the crystallization of an aqueous dihydrate cupric chloride solution with additives. J Colloid Interface Sci. 2010;344(2):556–62.
Article
CAS
Google Scholar
Fritz J, Athmann M, Kautz T, Köpke U. Grouping and classification of wheat from organic and conventional production systems by combining three image forming methods. Biol Agric Hortic. 2011;27(3–4):320–36.
Article
Google Scholar
Doesburg P, Huber M, Andersen J-O, Athmann M, van der Bie G, Fritz J, et al. Standardization and performance of a visual Gestalt evaluation of biocrystallization patterns reflecting ripening and decomposition processes in food samples. Biol Agric Hortic. 2015;31(2):128–45.
Article
Google Scholar
Pfeiffer, E. Studium von Formkräften an Kristallisationen mit besonderer Berücksichtigung landwirtschaftlicher Gesichtspunkte. Naturwissenschaftliche Sektion am Goetheanum, Dornach/Schweiz. 1931.
Selawry, A. und Selawry, O. Die Kupferchlorid-Kristallisation. [The copper chloride crystallization.] Gustav Fischer Verlag, Stuttgart. 1957.
Engquist M. Gestaltkräfte des Lebendigen. [Formative forces of the living.] Vittorio Klostermann, Frankfurt am Main. 1970.
Pettersson BD. Der Einfluss von Standort, Düngung und wachstumsbeeinflussenden Stoffen auf die Qualitätsmerkmale von Kartoffeln [The influence of location, fertilization and growth-influencing substances on the quality characteristics of potatoes.]. Leb Erde. 1970;21:134–40.
Google Scholar
Balzer-Graf U. Vitalqualität von Weizen aus unterschiedlichem Anbau. [Vital quality of wheat originating from different farming systems.] Beiträge zur Förderung der biologisch-dynamischen Landwirtschaft. Sonderheft Forschung. 1996;44:440–50.
Google Scholar
Athmann M. Produktqualität von Salatrauke (Eruca sativa L.) und Weizen (Triticum aestivum L.): Einfluss von Einstrahlungsintensität, Stickstoffangebot, Düngungsart und Hornkieselapplikation auf Wachstum und Differenzierung. Influence of irradiance, nitrogen supply, fertilization type, and horn silica application on growth and differentiation. PhD thesis, University Bonn; 2011.
Busscher N, Kahl J, Andersen J-O, Huber M, Mergardt G, Doesburg P, et al. Standardization of the biocrystallization method for carrot samples. Biol Agric Hortic. 2010;27(1):1–23.
Article
Google Scholar
Fritz J, Athmann M, Meissner G, Kauer R, Köpke U. Quality characterisation via image forming methods differentiates grape juice produced from integrated, organic or biodynamic vineyards in the first year after conversion. Biol Agric Hortic. 2017;33(3):195–213.
Article
Google Scholar
Fritz J, Döring J, Athmann M, Meissner G, Kauer R, Schultz HR. Wine quality under integrated, organic and biodynamic management using image forming methods and sensory analysis. Chem Biol Technol Agric. 2021. https://doi.org/10.1186/s40538-021-00261-4.
Article
Google Scholar
Kahl J, Busscher N, Doesburg P, Mergardt G, Huber M, Ploeger A. First tests of standardized biocrystallization on milk and milk products. Eur Food Res Technol. 2009;229:175–8.
Article
CAS
Google Scholar
Kahl J, Busscher N, Hoffmann W, Mergardt G, Clawin-Raedecker I, Kiesner C, et al. Development and performance of crystallization with additives applied on different milk samples. Food Anal Methods. 2013;7(7):1373–80.
Article
Google Scholar
Kahl J, Busscher N, Mergardt G, Mader P, Torp T, Ploeger A. Differentiation of organic and non-organic winter wheat cultivars from a controlled field trial by crystallization patterns. J Sci Food Agric. 2015;95(1):53–8.
Article
CAS
Google Scholar
Kahl J, Busscher N, Doesburg P, Mergardt G, Will F, Schulzova V, et al. Application of crystallization with additives to cloudy and clear apple Juice. Food Anal Methods. 2016;10(1):247–55.
Article
Google Scholar
Mäder P, Pfiffner L, Niggli U, Balzer U, Balzer FM, Plochberger A, Velimirov A, Besson JM. Effect of three farming systems (bio-dynamic, bio-organic, conventional) on yield and quality of beetroot (Beta vulgaris L. Var. sculenta L.) in a seven year crop rotation. Acta Hortic. 1993;339:10–31.
Google Scholar
Szulc M, Kahl J, Busscher N, Mergardt G, Doesburg P, Ploeger A. Discrimination between organically and conventionally grown winter wheat farm pair samples using the copper chloride crystallisation method in combination with computerised image analysis. Comput Electron Agric. 2010;74(2):218–22.
Article
Google Scholar
Weibel F, Bickel R, Leuthold S, Alföldi T, Balzer-Graf U. Are organically grown apples tastier and healthier? A comparative study using conventional and alternative methods to measure fruit quality. Acta Hortic. 2000;517:417–27.
Article
Google Scholar
Unluturk S, Pelvan M, Unluturk MS. The discrimination of raw and UHT milk samples contaminated with penicillin G and ampicillin using image processing neural network and biocrystallization methods. J Food Compost Anal. 2013;32(1):12–9.
Article
CAS
Google Scholar
Kahl J, Busscher N, Ploeger A. Questions on the validation of holistic methods of testing organic food quality. Biol Agric Hortic. 2010;27(1):81–94.
Article
Google Scholar
Andersen JO, Huber M, Kahl J, Busscher N, Meier-Ploeger A. A concentration matrix procedure for determining optimal combinations of concentrations in biocrystallization. Elem Nat Wiss. 2003;79:97.
Google Scholar
Andersen JO, Laursen J, Koelster P. A refined biocrystallization method applied in a pictomorphological investigation of a polymer. Elem Nat Wiss. 1998;68:1–20.
Google Scholar
Kahl J, Busscher N, Mergardt G, Andersen J-O, Doesburg P, Arlai A, et al. Standardization and performance test of crystallization with additives applied to wheat samples. Food Anal Methods. 2015;8(10):2533–40.
Article
Google Scholar
Andersen JO, Henriksen CB, Laursen J, Nielsen AA. Computerised image analysis of biocrystallograms originating from agricultural products. Comput Electron Agric. 1999;22(1):51–69.
Article
Google Scholar
Doesburg P, Nierop AFM. Development of a structure analysis algorithm on structures from CuCl2⋅2H2O crystallization with agricultural products. Comput Electron Agric. 2013;90:63–7.
Article
Google Scholar
Huber M, Andersen J-O, Kahl J, Busscher N, Doesburg P, Mergardt G, et al. Standardization and validation of the visual evaluation of biocrystallizations. Biol Agric Hortic. 2010;27(1):25–40.
Article
Google Scholar
Fritz J, Athmann M, Andersen J-O, Doesburg P, Geier U, Mergardt G. Advanced panel training on visual Gestalt evaluation of biocrystallization images: ranking wheat samples from different extract decomposition stages and different production systems. Biol Agric Hortic. 2018;35(1):21–32.
Article
Google Scholar
Leray JL. Growth kinetics of hydrated cupric chloride. J Cryst Growth. 1968;3:344–9.
Article
Google Scholar
Beckmann H. Über Keimbildung, Einkristallwachstum und Auffächerungswachstum von CuCl2*2H2O in rein-wässerigen und eiweißhaltigen Lösungen. On nucleation, single crystal growth and spreading growth of CuCl2*2H2O in pure aqueous and proteinaceous solutions. PhD thesis, University Bonn; 1959.
Holleman LWJ. Ein Beitrag zum Verständnis der empfindlichen Kristallisation. A contribution to the understanding of sensitive crystallization. Elem Nat wiss. 1966;4:24–33.
Google Scholar
Gallinet JP, Gauthier-Manuel B. Wetting of a glass surface by protein adsorption induces the crystallization of an aqueous cupric chloride solution. J Colloid Interface Sci. 1992;148(1):155–9.
Article
CAS
Google Scholar
Busscher N, Kahl J, Ploeger A. From needles to pattern in food quality determination. J Sci Food Agric. 2014;94(13):2578–81.
Article
CAS
Google Scholar
Busscher N, Doesburg P, Mergardt G, Sokol A, Kahl J, Ploeger A. Influence of dewetting on the crystallization behavior of CuCl2 in the presence of BSA during evaporation in a Petri dish. Heliyon. 2019;5(1): e01102.
Article
Google Scholar
Mäder P, Hahn D, Dubois D, Gunst L, Alföldi T, Bergmann H, Oehme M, Amadó R, Schneider H, Graf U, Velimirov A, Fließbach A, Niggli U. Wheat quality in organic and conventional farming: results of a 21 year field experiment. J Sci Food Agric. 2007;87:1826–35.
Article
Google Scholar
Fritz J, Athmann M, Meissner G, Kauer R, Geier U, Bornhütter R, et al. Quality assessment of grape juice from integrated, organic and biodynamic viticulture using image forming methods. OENO One. 2020;54(2):373–91.
Article
CAS
Google Scholar
Athmann M, Bornhütter R, Busscher N, Doesburg P, Geier U, Mergardt G, Scherr C, Köpke U, Fritz J. An update on image forming methods: structure analysis and Gestalt evaluation of images from rocket lettuce with shading, N supply, organic or mineral fertilization, and biodynamic preparations. Org Agric. 2022;12:307–323. https://doi.org/10.1007/s13165-021-00347-1.
Article
Google Scholar
Kahl J, Baars T, Bügel S, Busscher N, Huber M, Kusche D, Rembialkowska E, Schmid O, Seidel K, Taupier-Letage B, Velimirov A, Zalecka A. Organic food quality: a framework for concept, definition and evaluation from the European perspective. J Sci Food Agric. 2012;92(14):2760–5. https://doi.org/10.1002/jsfa.5640.
Article
CAS
Google Scholar
Charters E. The use of think-aloud methods in qualitative research an introduction to think-aloud methods. Brock Education J Educational Research and Practice. 2003. https://doi.org/10.26522/BROCKED.V12I2.38.
Article
Google Scholar
Freedberg D, Gallese V. Motion, emotion and empathy in esthetic experience. Trends Cogn Sci. 2007;11(5):197–203.
Article
Google Scholar
Miyoshi K. What allows us to kinesthetically empathize with motions of non-anthropomorphic objects? J Somaesthetics. 2019. https://doi.org/10.5278/ojs.jos.v4i2.2447.
Article
Google Scholar
Waldburger B. Morphologie und Empathie—Studien zur Auswertung von Kristallisationsbildern. Elem Nat wiss. 2009;90:80–91.
Google Scholar
Doesburg P, Fritz J, Athmann M, Bornhütter R, Busscher N, Geier U, Mergardt G, Scherr C. Kinesthetic engagement in Gestalt evaluation outscores analytical ‘atomic feature’ evaluation in perceiving aging in crystallization images of agricultural products. PLoS ONE. 2021. https://doi.org/10.1371/journal.pone.0248124.
Article
Google Scholar
Mäder P, Fliessbach A, Dubois D, Gunst L, Fried P, Niggli U. Soil fertility and biodiversity in organic farming. Science. 2002;296:1694–7.
Article
Google Scholar
Meissner G, Athmann M, Fritz J, Kauer R, Stoll M, Schultz HR. Conversion to organic and biodynamic viticultural practices: impact on soil, grapevine development and grape quality. OENO one. 2019. https://doi.org/10.20870/oeno-one.2019.53.4.2403.
Article
Google Scholar
Döring J, Frisch M, Tittmann S, Stoll M, Kauer R. Growth, yield and fruit quality of grapevines under organic and biodynamic management. PLoS ONE. 2015. https://doi.org/10.1371/journal.pone.0138445.
Article
Google Scholar
ISO 11035. Sensory analysis — Identification and selection of descriptors for establishing a sensory profile by a multidimensional approach. Geneva: International Organization for Standardization; 1994.
ISO 8587. Sensory analysis – methodology - ranking. Geneva: International Organization for Standardization; 2006.
Velimirov A, Huber M, Lauridsen C, Rembiałkowska E, Seidel K, Bügel S. Feeding trials in organic food quality and health research. J Sci Food Agric. 2010;90(2):175–82.
Article
CAS
Google Scholar
ISO 8589. Sensory analysis - General guidance for the design of test rooms. Geneva: International Organization for Standardization; 2007.
Core Team R. R: A language and environment for statistical computing. R Foundation for Statistical Computing. Vienna, Austria: https://www.R-project.org/ [Google Scholar]. 2017.
Wickham H. ggplot2: Elegant graphics for data analysis. New York: Springer-Verlag; 2016.
Book
Google Scholar
Drew T, Evans K, Vo ML, Jacobson FL, Wolfe JM. Informatics in radiology: what can you see in a single glance and how might this guide visual search in medical images? Radiographics. 2013;33(1):263–74.
Article
Google Scholar
Krupinski EA. Visual scanning patterns of radiologists searching mammograms. Acad Radiol. 1996;3(2):137–44.
Article
CAS
Google Scholar
Wolfe JM, Vo ML, Evans KK, Greene MR. Visual search in scenes involves selective and nonselective pathways. Trends Cogn Sci. 2011;15(2):77–84.
Article
Google Scholar
Keysers C, Wicker B, Gazzola V, Anton JL, Fogassi L, Gallese V. A touching sight: SII/PV activation during the observation and experience of touch. Neuron. 2004;42(2):335–46.
Article
CAS
Google Scholar